panic: bad arg kind: goroutine 24 [running]: github.com/google/syzkaller/prog.clone(0x0, 0x0, 0xc002983770, 0xc0022f2a90, 0x40be26) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:79 +0x954 github.com/google/syzkaller/prog.clone(0x9a79e0, 0xc0002ee990, 0xc002983770, 0xc0029837f0, 0x40be26) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:57 +0x17c github.com/google/syzkaller/prog.clone(0x9a7a20, 0xc0002ee9c0, 0xc002983770, 0x9a7960, 0xc002a067c0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:44 +0x58f github.com/google/syzkaller/prog.(*Prog).Clone(0xc000244a40, 0x8f486f) /syzkaller/gopath/src/github.com/google/syzkaller/prog/clone.go:24 +0x279 github.com/google/syzkaller/prog.resourceCentric(0xcb1dc0, 0xc0025034f0, 0xc0027069a0, 0x8f1801, 0xc0029839f0, 0x448dbe, 0xc00141c2c0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:848 +0xbf github.com/google/syzkaller/prog.(*ResourceType).generate(0xcb1dc0, 0xc0027069a0, 0xc0025034f0, 0x30, 0x8792c0, 0xc0026daab0, 0xc00003e380, 0x30) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:681 +0x920 github.com/google/syzkaller/prog.(*randGen).generateArgImpl(0xc0027069a0, 0xc0025034f0, 0x9aeb20, 0xcb1dc0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:674 +0x506 github.com/google/syzkaller/prog.(*randGen).generateArg(...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:623 github.com/google/syzkaller/prog.(*randGen).generateArgs(0xc0027069a0, 0xc0025034f0, 0xca0400, 0x3, 0x3, 0xc002983d40, 0x4eee93, 0xc0027dd500, 0x5564375c2f79c60e, 0xc002983d68, ...) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:611 +0x107 github.com/google/syzkaller/prog.(*randGen).generateParticularCall(0xc0027069a0, 0xc0025034f0, 0xce8280, 0x9, 0xc0025034f0, 0xc0023f3300) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:555 +0xc6 github.com/google/syzkaller/prog.(*randGen).generateCall(0xc0027069a0, 0xc0025034f0, 0xc0026fc100, 0x0, 0xc0026fc100, 0xc0026fc140, 0xc0025034f0) /syzkaller/gopath/src/github.com/google/syzkaller/prog/rand.go:547 +0xb2 github.com/google/syzkaller/prog.(*mutator).insertCall(0xc002983ec0, 0x14) /syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:137 +0xf2 github.com/google/syzkaller/prog.(*Prog).Mutate(0xc0026fc100, 0x9a2220, 0xc0033688a0, 0x1e, 0xc00334ba00, 0xc002e1e000, 0x1f00, 0x2400) /syzkaller/gopath/src/github.com/google/syzkaller/prog/mutation.go:42 +0x29b main.(*Proc).loop(0xc00334ba80) /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:99 +0x434 created by main.main /syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:259 +0x114c